Fix &array_of<>

src/hb-dsalgs.hh

@@ -556,6 +556,9 @@ struct hb_array_t
   template <typename T> inline operator  T * (void) { return arrayZ; }
   template <typename T> inline operator const T * (void) const { return arrayZ; }
 
+  inline Type * operator & (void) { return arrayZ; }
+  inline const Type * operator & (void) const { return arrayZ; }
+
   inline hb_array_t<Type> sub_array (unsigned int start_offset, unsigned int seg_count) const
   {
     unsigned int count = len;

src/hb-open-type.hh

@@ -340,7 +340,7 @@ struct UnsizedArrayOf
   inline const Type& operator [] (unsigned int i) const { return arrayZ[i]; }
   inline Type& operator [] (unsigned int i) { return arrayZ[i]; }
 
-  template <typename T> inline operator  T * (void) { return arrayZ; }
+  template <typename T> inline operator T * (void) { return arrayZ; }
   template <typename T> inline operator const T * (void) const { return arrayZ; }
 
   inline unsigned int get_size (unsigned int len) const
@@ -452,7 +452,7 @@ struct ArrayOf
     return arrayZ[i];
   }
 
-  template <typename T> inline operator  T * (void) { return arrayZ; }
+  template <typename T> inline operator T * (void) { return arrayZ; }
   template <typename T> inline operator const T * (void) const { return arrayZ; }
 
   inline unsigned int get_size (void) const